Import of the watch repository from Pebble

third_party/jerryscript/targets/tools/js2c.py

@@ -0,0 +1,156 @@
+#!/usr/bin/env python
+
+# Copyright 2015-2016 Samsung Electronics Co., Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#  This file converts ./js/*.js to a C-array in ./source/jerry_targetjs.h file
+
+import sys
+import glob
+import os
+import re
+
+import argparse
+
+special_chars = re.compile(r'[-\\?\'".]')
+
+def extractName(path):
+    return special_chars.sub('_', os.path.splitext(os.path.basename(path))[0])
+
+def writeLine(fo, content, indent=0):
+    buf = '  ' * indent + content + '\n'
+    fo.write(buf)
+
+def regroup(l, n):
+    return [ l[i:i+n] for i in range(0, len(l), n) ]
+
+def removeComments(code):
+    pattern = r'(\".*?\"|\'.*?\')|(/\*.*?\*/|//[^\r\n]*$)'
+    regex = re.compile(pattern, re.MULTILINE | re.DOTALL)
+    def _replacer(match):
+        if match.group(2) is not None:
+            return ""
+        else:
+            return match.group(1)
+    return regex.sub(_replacer, code)
+
+def removeWhitespaces(code):
+    return re.sub('\n+', '\n', re.sub('\n +', '\n', code))
+
+
+LICENSE = '''/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the \"License\");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an \"AS IS\" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * This file is generated by js2c.py. Please do not modify.
+ */
+
+'''
+
+HEADER = '''#ifndef JERRY_TARGETJS_H
+#define JERRY_TARGETJS_H
+
+'''
+
+FOOTER = '''
+#endif
+
+'''
+
+OUT_PATH = './source/'
+SRC_PATH = './js/'
+
+parser = argparse.ArgumentParser(description="js2c")
+parser.add_argument('build_type', help='build type', default='release', nargs='?')
+parser.add_argument('--ignore', help='files to ignore', dest='ignore_files', default=[], action='append')
+parser.add_argument('--no-main', help='don\'t require a main.js file', dest='main', action='store_false', default=True)
+
+args = parser.parse_args()
+
+# argument processing
+buildtype = args.build_type
+ignore_files = args.ignore_files
+
+fout = open(OUT_PATH + 'jerry_targetjs.h', 'w')
+fout.write(LICENSE);
+fout.write(HEADER);
+
+def exportOneFile(path, name):
+    fout.write('const static char ' + name + '_n[] = "' + name + '";\n')
+    fout.write('const static char ' + name + '_s[] =\n{\n')
+
+    fin = open(path, 'r');
+    code = fin.read() + '\0'
+
+    # minimize code when release mode
+    if buildtype != 'debug':
+        code = removeComments(code)
+        code = removeWhitespaces(code)
+
+    for line in regroup(code, 10):
+        buf = ', '.join(map(lambda ch: format(ord(ch),"#04x"), line))
+        if line[-1] != '\0':
+            buf += ','
+        writeLine(fout, buf, 1)
+    writeLine(fout, '};')
+    writeLine(fout, 'const static int ' + name + '_l = ' + str(len(code)-1) + ';')
+    writeLine(fout, '')
+
+    fin.close();
+
+def exportOneName(name):
+    writeLine(fout, '{ ' + name + '_n, ' + name + '_s, ' + name + '_l }, \\', 1)
+
+files = glob.glob(SRC_PATH + '*.js')
+for path in files:
+    name = extractName(path)
+    if os.path.basename(path) not in ignore_files:
+        exportOneFile(path, name)
+
+
+NATIVE_STRUCT = '''
+struct js_source_all {
+  const char* name;
+  const char* source;
+  const int length;
+};
+
+#define DECLARE_JS_CODES \\
+struct js_source_all js_codes[] = \\
+{ \\
+'''
+
+fout.write(NATIVE_STRUCT)
+if args.main:
+    exportOneName('main')
+for filename in files:
+    name = extractName(filename)
+    if name != 'main' and os.path.basename(filename) not in ignore_files:
+        exportOneName(name)
+
+writeLine(fout, '{ NULL, NULL, 0 } \\', 1)
+writeLine(fout, '};')
+
+fout.write(FOOTER)
+fout.close()